-er ddd dde ddh ddn ddo ddr dds de- ded dee deh den deo der des dh- dhd dhe dhh dho dhr dhs dnd dne dnh dnn dno dnr dns dod doe doh don doo dor dos drd dre drn dro drr drs dsd dse dsh dsn dso dsr dss ed- edd ede edh edn edo edr eds eed eee een eeo eer ees ehd ehe ehh ehn eho ehr ehs en- end ene enh enn eno enr ens eo- eod eoe eoh eon eoo eor eos erd ere erh ern ero err ers es- esd ese esh esn eso esr ess hdd hde hdh hdn hdo hdr hds he- hed hee heh hen heo her hes hhd hhe hhh hhn hho hhr hhs hnd hne hnh hnn hno hns hod hoe hoh hon hoo hor hos hr- hrd hre hrh hrn hro hrr hrs hsd hse hsh hsn hsr hss ndd nde ndh ndn ndo ndr nds ne- ned nee neh nen neo ner nes nhd nhe nhh nhn nhr nhs nne nnh nnn nno nns no- nod noe noh non noo nor nos nrd nre nrn nro nrr nrs nsd nse nsh nsn nso nsr nss odd ode odh odn odo odr ods oed oee oeh oen oeo oer oes ohd ohe ohh ohn oho ohr ohs on- ond one onh onn ono onr ons oo- ood ooh oon ooo oor oos or- ord ore orh orn oro orr ors os- osd ose osh osn oso osr oss rdd rde rdh rdn rdo rdr rds re- red ree reh ren reo rer res rh- rhd rhe rhh rhn rho rhr rhs rnd rnh rnn rno rnr rns rod roe roh ron roo ror ros rrd rrh rrn rrr rrs rsd rse rsh rsn rso rsr rss sdd sde sdh sdn sdo sdr sds se- sed see seh sen seo ser ses sh- shd she shh shn sho shr shs snd sne snn sno snr sns sod soe soh son soo sor sos sr- srd sre srh srn sro srr srs ss- ssd sse ssh ssn sso ssr sss